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java Programming Glossary: allocationshttp://stackoverflow.com/questions/1098488/jvm-heap-parameters run during my application's run and the number of memory allocations. Am I right Here are my reasons for this answer Setting the.. to modern OS virtual memory management and lazy pages allocations. I noticed that setting Xms to 512M or to 64M doesn't change..
Java Runtime.maxMemory incorrect? http://stackoverflow.com/questions/1463868/java-runtime-maxmemory-incorrect where a 10MB library may count for two processes' allocations but only have one physical copy in memory. For example What..
Not thread safe Object publishing http://stackoverflow.com/questions/1621435/not-thread-safe-object-publishing be broken down into a series of memory writes and allocations Alloc Memory to pointer1 Write 42 to pointer1 at offset 0 Write..
JNA/ByteBuffer not getting freed and causing C heap to run out of memory http://stackoverflow.com/questions/1744533/jna-bytebuffer-not-getting-freed-and-causing-c-heap-to-run-out-of-memory my understanding of how JNA and Java direct native memory allocations is visceral at best so I'm trying to describe my understanding.. failing to free references to direct native memory allocations resulting in the C heap running out of memory. I'm positive..
Java Runtime Performance Vs Native C / C++ Code? http://stackoverflow.com/questions/1984856/java-runtime-performance-vs-native-c-c-code management for many reasons on a managed heap dynamic allocations can be done much faster shared ownership can be handled with..
Why did java have the reputation of being slow? [closed] http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow allocation which is more friendly to lots of small object allocations . One can code C that beats this by rolling custom memory management..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android space of a particular heap allocated is the kb of actual allocations that heap thinks it has free is the remaining kb free the heap.. free is the remaining kb free the heap has for additional allocations and pss and priv dirty are the same as discussed before specific..
autoboxing vs manual boxing java http://stackoverflow.com/questions/2307904/autoboxing-vs-manual-boxing-java escape analysis is temporarily disabled which means that allocations of short lived objects can be optimized away. When scalar replacement..
Why is it a bad practice to call System.gc? http://stackoverflow.com/questions/2414105/why-is-it-a-bad-practice-to-call-system-gc true the Java heap itself grows independently of Java allocations. As in the JVM will hold memory many tens of megabytes and grow.. to hold on to the allocated memory to use for future Java allocations. To show that it's possible that System.gc does nothing view..
How can I avoid garbage collection delays in Java games? (Best Practices) [closed] http://stackoverflow.com/questions/2484079/how-can-i-avoid-garbage-collection-delays-in-java-games-best-practices part of the Android SDK to search out where my memory allocations come from and excise them from my inner drawing and logic loops...
.Net vs Java Garbage Collector http://stackoverflow.com/questions/492703/net-vs-java-garbage-collector based on the behaviour that most programs exhibit Most allocations are extremely short lived. Initial JVM's did not have generational..
How can I ensure the destruction of a String object in Java? http://stackoverflow.com/questions/5238131/how-can-i-ensure-the-destruction-of-a-string-object-in-java it. And since my application is incidentally pretty low on allocations and memory requirements who knows how long it'll survive in..
What is the fastest Java collection with the basic functionality of a Queue? http://stackoverflow.com/questions/6129805/what-is-the-fastest-java-collection-with-the-basic-functionality-of-a-queue this. ArrayDeque doesn't have the overhead of node allocations that LinkedList does nor the overhead of shifting the array..
Java Collections copy list - I don't understand http://stackoverflow.com/questions/689370/java-collections-copy-list-i-dont-understand an IndexOutOfBoundsException . The expectation is that no allocations will be required by Collections.copy to work and if any are..
Memory leak when redeploying application in Tomcat http://stackoverflow.com/questions/7788280/memory-leak-when-redeploying-application-in-tomcat objects for that incoming reference type and switch to the allocations view. You will see where the instance has been allocated. With..
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